MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.
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Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).
Fourth disease
A disorder characterized by a rash due to a toxin produced by Staphylococcus aureus (Staph aureus bacteria). Measles and scarlet fever were differentiated from one another in the 17th century. Rubella was accepted as the third distinct…
Read the definitionRandom terms
Show more- FAP Familial adenomatous polyposis, a prominent hereditary colon cancer syndrome
- Male chromosome complement The large majority of males have a 46, XY chromosome complement (46 chromosomes including an X and a Y…
- Typhoid Mary Someone who by force of circumstances serves as the source from which something undesirable spreads. Typhoid…
- Anaphia The inability to feel touch. From the Greek prefix an, not + Greek haphe, touch = inability to (feel) touch…
- Sentinel node biopsy See: Sentinel lymph node biopsy
- Tattoos & permanent makeup The intradermal application of inks for the purpose of tattooing or permanent makeup (also known as…
- Tracheostomy button Tracheostomy button: A 1/2- to 1 1/2-inch-long plastic tube placed in the stoma to keep it open
- Cystine An amino acid that is particularly notable because it is the least soluble of all of the naturally occurring…
- Mansfield, Peter British scientist (1933-) who shared the 2003 Nobel Prize for Physiology or Medicine with the American…
- Chromosome duplication Part of a chromosome in duplicate. A particular kind of mutation involving the production of one or more…
- Parotid gland The largest of the three major salivary glands, it is located in front and below the ear and behind the jaw…
- Disease, Forestier A severe form of hemorrhagic fever which affects both humans and non-human primates. Caused by a genetically…